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Experimental groups and vaccination strategies
PBS: phosphate-buffered saline, CpG ODN: cytosine-phosphate-guanosine oligodeoxynucleotides, TCID50: tissue culture infective dose 50. rAd/Cap/518: replication-defective adenovirus expressing the major epitopes of porcine circovirus-2 (PCV-2) capsid protein.
